Zelda Tears of the Kingdom Warm Darner
The Zelda Tears of the Kingdom Warm Darner material is used for Cold resistance. You can use this ingredient to make Spicy Elixir and many other recipes.
Effect: 
Cold Resistance
Cold ResistanceDescription: This dragonfly has a special organ that causes it to sweat profusely. Cook it with monster parts for an elixir that will raise your core temperatures so you can resist the cold.
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Where To Find and How To Get Warm Darner
The Warm Darner is most commonly found in the following locations: Akkala Highlands , Faron Grasslands.